\documentclass[conference]{IEEEtran}
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\hyphenation{op-tical net-works semi-conduc-tor}


\begin{document}
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\title{Private Anonymous Messaging With Friends}


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% affiliations
\author{\IEEEauthorblockN{Ruchith Fernando}
\IEEEauthorblockA{Department of Computer Science, Purdue University\\
West Lafayette, IN\\
rfernand@cs.purdue.edu}}





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Keywords: Privacy, Peer-to-peer messaging, hierarchical identity based encryption


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\end{document}
